Thanks for that clarification.

I made the mistake of thinking of how I do it in Photoshop which has a
single "resize image" dialog where things are not so neatly divided as
they are in Gimp.  In Gimp there is a "Print Size" dialog.  My bad.


On 04/07/2009 07:01 PM, David Gowers wrote:
> On Wed, Apr 8, 2009 at 12:44 AM, Jay Smith <j...@jaysmith.com> wrote:
>> Norman,
>> So, to scan that postage stamp that you want to turn into a wall poster,
>> you might scan it at a very high 2400 x 2400 resolution.  Then, in your
>> image program, change the size from 1x1-inch up to 20x20 inches AT THE
>> VERY  SAME TIME AS YOU _reduce_ the resolution to 300x300 dots/pixels

> Just to clarify: This is unnecessary. If you want to blow up
> something, just reduce the resolution. Halving the resolution is all
> that would be required to turn a 600x600 (1 inch square) 600dpi image
> into a 600x600 (2 inch square) 300dpi image.
> The inches measurement should automatically update itself, since it's
> dependent on image resolution.
> David
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